...huh. [ male announcer ] technology that makes you feel superhuman... where do i sign in? that's powerful. switch to fios and we'll triple your speeds for free with an upgrade to fios quantum. marvel's iron man 3, in theaters may 3rd. >>> good morning, america. this morning, terror at the boston marathon. the two explosions that rocked the finish line, three dead now. at least 140 injured. >> something just blew up. >> shock waves and shrapnel blasting the crowd. >> we're going to need more ambulances here. we need some more ambulances. >> this morning what we know about the victims right now including the children, an 8-year-old and 11-year-old caught in the horror and the harrowing story of the college women's lacrosse team just feet from the finish line. overnight playing out orndz boston. are the clues to the culprit buried in the bomb. we're live on the scene with breaking new details. brand-new video. >> announcer: this is a special edition of "good morning america": terror at the boston marathon" live from times square and boston. >> and good morning, america. from